/*
 * Copyright 2006-2018 The MZmine 2 Development Team
 * 
 * This file is part of MZmine 2.
 * 
 * MZmine 2 is free software; you can redistribute it and/or modify it under the terms of the GNU
 * General Public License as published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 * 
 * MZmine 2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
 * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along with MZmine 2; if not,
 * write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
 * USA
 */

package net.sf.mzmine.modules.visualization.scatterplot.scatterplotchart;

import org.jfree.data.xy.AbstractXYDataset;

public class DiagonalLineDataset extends AbstractXYDataset {

  /**
   * 
   */
  private static final long serialVersionUID = 1L;
  private double min, max;
  private int fold;

  @Override
  public int getSeriesCount() {
    return 3;
  }

  @Override
  public Comparable<Integer> getSeriesKey(int series) {
    return series;
  }

  public int getItemCount(int series) {
    return 2;
  }

  public Number getX(int series, int item) {
    if (item == 0)
      return min;
    else
      return max;
  }

  public Number getY(int series, int item) {

    if (item == 0)
      switch (series) {
        case 0:
          return (min * fold);
        case 1:
          return min;
        case 2:
          return (min / fold);
      }
    else {

      switch (series) {
        case 0:
          return (max * fold);
        case 1:
          return max;
        case 2:
          return (max / fold);
      }
    }

    // We should never get here
    throw (new IllegalStateException());

  }

  public void updateDiagonalData(ScatterPlotDataSet mainDataSet, int fold) {

    this.fold = fold;

    int numOfPoints = mainDataSet.getItemCount(0);

    for (int i = 0; i < numOfPoints; i++) {

      double x = mainDataSet.getXValue(0, i);
      double y = mainDataSet.getYValue(0, i);

      if ((i == 0) || (x < min))
        min = x;
      if ((i == 0) || (x > max))
        max = x;
      if (y < min)
        min = y;
      if (y > max)
        max = y;
    }

    // Add a little space
    min -= min / 2;
    max += max / 2;

    fireDatasetChanged();
  }

  int getFold() {
    return fold;
  }

}
